AI · alternatives · 2026
24 alternatives to SelfAssay
Replace guessing with grounded answers. Every claim cited, every cohort sized, every uncertainty named.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
Welltory▲1,028Measure your wellness. Use data to feel great every day.
Nov 2025 · welltory.com · its alternatives →
- 2

Hey HN! This has been my project for a few years now. I recently brought it back to life after taking a pause to focus on my studies. My goal with this project is to separate fluff from science when shopping for supplements. I am doing this in 3 steps: 1.) I index every supplement on the market (extract each ingredient, normalize by quantity) 2.) I index every research paper on supplementation (rank every claim by effect type and effect size) 3.) I link data between supplements and research papers Earlier last year, I took pause on a project because I've ran into a few issues: Legal: Shady…
Jan 2026 · pillser.com · its alternatives →
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Run a research agent with cited answers in a single API call
Jun 2026 · tabstack.ai · its alternatives →
- 5

Experiments and biohacking using wearables
2020 · gyrosco.pe · its alternatives →
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Biohack▲9Your food ages you or protects you. Now you can see which.
Jun 2026 · apps.apple.com · its alternatives →
- 8
SelfDecode▲125Personalized health recommendations based on your genes.
2017 · selfdecode.com · its alternatives →
- 9

Biohacking clarity: ditch the reddit & google rabbit holes
2024 · dopamine.club · its alternatives →
- 10

Evidence-based supplement advice from real PubMed studies
Jun 2026 · supplements-ai.vercel.app · its alternatives →
- 11BA
I'm 17 and recently launched a private beta for Biohack - a tool that scans food products and gives a longevity score based on impact on aging factors such as inflammation, omega ratio, toxins and more. Still early and a bit rough, but I'm looking for honest feedback from people who care about health span and deep nutrition. Would love your thoughts.
2025 · getbiohack.app · its alternatives →
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- 13AF
I have some chronic medical conditions, and spend a lot of time asking about different drugs and supplements. Wanted to create a resource that others might get value from. It's trained to always provide citations, and to urge people to see their doctor before making major decisions. Open for feedback.
2024 · agenthost.ai · its alternatives →
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Powered Personalized Nutrition | SupplementScribe.ai
2025 · supplementscribe.ai · its alternatives →
- 16
SuppCheck▲11Decide on supplements using science, not hype
Jan 2026 · suppcheck.me · its alternatives →
- 17

Hi this is a work in progress but it works to determine supplement efficacy for 500 conditions at the moment. Things you can do: - search for a condition -> find which supplements are effective -> see which studies indicate they are effective -> read individual study summaries - search for a supplement -> see effectiveness table, dosing, safety, dietary sources, mechanisms of action (+ browse all original sources) let me know what you think
Mar 2026 · supplementdex.com · its alternatives →
- 18

The highest-leverage longevity habits (20% effort for 80% impact) — nutrition, exercise, sleep, supplements, and sauna protocols from evidence-based experts.
Feb 2026 · healthyhabitsvault.com · its alternatives →
- 19

We are super excited to release our latest open-source demo, Healthsearch. This demo decodes user reviews of supplements and performs semantic- and generative search on them, retrieving the most related products for specific health effects, and leveraging Large Language Models to generate product and review summaries. The demo can understand natural language queries and derive all search filters directly from the context of your query.
2023 · github.com · its alternatives →
- 20

Peptide tracking made simple. One purchase. Lifetime access.
Jul 2026 · peptidetrackerstacklog.netlify.app · its alternatives →
- 21

Research Peptide Catalog with profiles, dosing & safety data
Mar 2026 · peps.guru · its alternatives →
- 22

Future of health, one stack at a time.
2025 · mystackresults.com · its alternatives →
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Track your longevity score and biological age
2025 · mylongevitycentre.co.uk · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →